The software developers of a billing system of ACME Telecom Company would accept at most an error rate of 4% that a sample of invoices would contain some variations that may be present in a large population of total invoices. With a certainty factor of 1.95 how many invoices would they need to examine?

In the following table the activities with their precedence sequence and expected time (days) are listed for a project: a) The activities on the critical path are A-C-F-G-I A-B-D-H-I A-B-E-G-I Activity Immediate Predecessor(s) A A A B IT B C E, F D G, H BCDEFGH Time (days) 5 Ô CN ơi ơi ơT ANOT 2 4 5 5 5 2 3 6

How many paths are there in the network? Enter your response as a number ONLY. Refer to Problem 2 of the Practice Problems download.         What is the project's expected completion time? Enter your response as a number only. DO NOT include any words such as "weeks" in your answer. Refer to Problem 2 of the Practice Problems download.         What is the critical path for the network/project?   Refer to Problem 2 of the Practice Problems download.   Group of answer choices A-D-E-F-G A-B-E-F-G A-C-F-G A-B-D-C-E-F-G       If activity B takes an additional 3 weeks, what is the impact on the project?   Refer to Problem 2 of the Practice Problems download.   Group of answer choices There is no impact on the project duration. Activity B has 6 weeks of slack time. The entire project will be delayed 3 weeks (28 instead of 25 weeks). The entire project will be delayed, but it will be less than 3 weeks as Activity B has some…

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